<!DOCTYPE html>
<html>
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
	<title>label</title>
	<style type="text/css">
	* {
		padding: 0;
		margin: 0;
	}

    </style>
</head>
<body>
	<div class="container">
		<h1>label</h1>
		<div id="box">
			<ul id="ul">
				<li>1</li>
				<li>2</li>
				<li>3</li>
			</ul>
		</div>
	</div>

<script type="text/javascript"> 

 
let url = 'houdunren.com';
let str1="后盾人网址是\
\
 " + url + "大家可以在网站上学习\
 到很多技术知识";

let str2 = ` 后盾人网址是${url}
	大家可以在网站上学习到很多技术知识
`;

console.log(str1)
console.log(str2)



console.log();
</script>
</body>
</html>